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Tag: "advanced" at biology news

St. Jude study solves mystery of mammalian ears

... of deafness. A report on this work appears in the advanced online issue of “Proceedings of the National Academy of Science.” “Our discovery helps explain the mechanics of hearing and what might be going wrong in some forms of deafness,” said Jian Zuo, Ph.D., the paper’s senior author and associate member o...

FDA sees nanotech challenges in every product category it regulates

...on the market today and able to deal with the more advanced nanotechnology applications expected in the next 5-10 years.” “Many of the first generation of nanotechnology products now on the market are in sectors where FDA’s statutory authority is weakest—areas like cosmetics and dietary supplements,” stated ...

Blood test may help signal tumor's remission, return in throat cancer patients

...hemotherapy and radiation treatment in people with advanced throat cancer, according to a study published in t...undergone chemotherapy and radiation treatment for advanced throat cancer. Starting immediately before treatment and continuing every three months for 12 months...

Liver cancer patients with high serum levels of hepatitis B virus face poorer outcomes

... a small patient cohort, and the fact that all had advanced disease, the authors concluded, “Based on the present findings, the incorporation of anti-viral therapies to reduce HBV viral load should be considered as part of management for HCC patients undergoing chemotherapy.” ...

Simulations unravel outer membrane transport mechanism

...: Photo by L. Brian Stauffer Using X-ray data and advanced computer simulation and visualization software, researchers at the University of Illinois have painstakingly modeled a critical part of a mechanism by which bacteria take up large molecules. Their findings provide a rare window on the complex interpl...

Research team identifies new Alzheimer's gene

...e result. Moreover, it paves the way for even more advanced studies using larger sample populations, more powerful array chips that can distinguish more genetic markers, and more sophisticated methods of analyzing the data....

Researchers shed light on shrinking of chromosomes

...the entire course of cell division. In this week’s advanced online publication of Nature Cell Biology they report crucial new insights into timing, function and molecular basis of chromosome condensation. What happens when chromosomes are not correctly separated and distributed during cell division we know v...

U-M researchers discover gene switched off in cancer can be turned on

...ical School. Results of the study appear in the advanced online publication of the journal Oncogene. The researchers sought to understand why BRM is not expressed in certain cancer cell lines. They found no mutations to the gene but rather that it was just silent – essentially like a switch that had bee...

Research finds that circadian rhythms dominate all life functions

...cillation in 98 to 99 percent of all genes through advanced computer algorithms. Most of these genes have neve...studies have failed, the Colorado State study uses advanced algorithms that have the capacity to identify patterns in such a large number of genes. Ptitsyn d...

Clot-dissolving agent may be beneficial in treatment of severe frostbite

...ther areas of burns, trauma and critical care have advanced significantly in their treatment modalities, the saying ‘Frostbite in January, amputate in July’ is still relevant today.” Kevin J. Bruen, M.D., and colleagues at the University of Utah, Salt Lake City, studied the anti-clotting agent tissue plasm...

Gene therapy study shows safety and statistically significant improvement in Parkinson's disease

...label Phase 1 study, conducted in 12 patients with advanced Parkinson’s disease demonstrated both a lack of ad...n or lesioning can help ameliorate the symptoms of advanced Parkinson’s disease. The Phase 1 study was not specifically designed to assess efficacy. Nonethel...

Putting feelings into words produces therapeutic effects in the brain

...well, who conducted the mindfulness research as an advanced graduate student of psychology at UCLA, said mindfulness meditation is a “potent and powerful therapy that has been helping people for thousands of years.” Previous studies have shown that mindfulness meditation is effective in reducing a variety ...

'Smart' mice teach scientists about learning process, brain disorders

... to turn a gene off throughout a brain is a really advanced thing to do," Dr. Bibb said. "It’s been shown that it can be done, but we put the system together and actually applied it." Normally, Cdk5 works with another enzyme to break up a molecule called NR2B, which is found in nerve-cell membranes and sti...

'Virtual autopsy' helps identify drowning as cause of death

...ool in mass casualty scenarios. "More and more, advanced imaging tools such as MDCT are being applied to forensic investigations," Dr. Levy said. "In the future, imaging in forensics may be just as important as imaging in clinical medicine."...

'Virtual Patient' to simulate real-time organ motions for radiation therapy

...ing project involving the 3-D VIP-Man, which is an advanced computer model that simulates in 3-D how radiation...using their energy on respiratory function. "Using advanced computational tools, it is possible to simulate lung movement; however, not in real time," De said. ...

Arctic ice retreating more quickly than computer models project

...cantly faster rate than projected by even the most advanced computer models, a new study concludes. The research, by scientists at the National Center for Atmospheric Research (NCAR) and the University of Colorado's National Snow and Ice Data Center (NSIDC), shows that the Arctic's ice cover is retreating mor...

Protein enables discovery of quantum effect in photosynthesis

...a systems, and the West Coast group's specialty is advanced laser techniques. The quantum finding would have been impossible without collaboration. Good vibrations "We have obtained the first direct evidence that remarkably long-lived wavelike electronic quantum coherence plays an important part in e...

Fat screen delivers plant-derived chemical with antidiabetic effects

... insulin sensitizers. By running a technologically advanced screen of more than 500 bioactive compounds, the researchers found that harmine has such a positive effect on fat. The fat cells under examination were manipulated such that they literally lit up when fat-boosting PPARã became active. Further stud...

Dealing deadly cancers a knockout punch

...-tumor activity of standard chemotherapy agents in advanced cancer patients without causing additional toxicit... or chemotherapy can stop or reverse the growth of advanced cancers without adding harmful side effects," said Dr. Mettinger. ...

Study offers clues to 'Broken Heart Syndrome'

...c shock, or severe heart failure. They may require advanced life support with airway management and medications to support blood pressure." In fact, based on symptoms, electrocardiographic (ECG) tracings, and blood tests for heart damage, it often seems as if the patient is having a heart attack. The myste...

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